SEARCH Articles Figures Tables Beke, D., Heterocyclic Pseudobases Belen’kii, L. I., Kruchkovskaya, N. D., The Literature of Heterocyclic Chemistry Popp, F D„ Moynahan, E. B., Heterocyclic Popp, F D„ Moynahan, E. B., Heterocyclic Ferrocenes Tomasik, P„ Johnson, C. D., Applications of the Hammett Equation to Heterocyclic